Am 20.09.2024 um 04:47:04 Uhr schrieb Viktor Dukhovni via mailop:

> But do you really only have IPv6 connectivity?  Sadly, you really
> should have at least one IPv4-capable MX host whose iterative
> nameservers can reach the IPv4 Internet.  Many mail systems are still
> only V4-capable, or their DNS is only available via IPv4 (no IPv6 NS
> IPs to even attempt to query).

If DNS servers are unreachable with a timeout (and not TCP RST/ICMP
unreachable) most applications will run in a timeout because they don't
wait that long.

-- 
Gruß
Marco
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